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Window Welds (Tube Patches, Window Patch, Flush Inserts)

Window Welds (Tube Patches, Window Patch, Flush Inserts)

TES Group Inc. has repair procedures, welding procedures and experienced personnel to execute Window Weld repairs on boiler tubes where accessibility around the complete circumference of the tube is restricted. This type of repair is executed from one side of the boiler water walls typical of tangent tube construction.

These types of repairs are recognized by NBIC, ASME PCC-2 and API as acceptable repair methods.

William “Bill” Parnetta President TES Group Inc

William
Parnetta

President

Bill brings over 30 years of leadership in finance, business management, and strategic planning with a strong foundation in the construction and industrial services sector.  

At TES Group, Bill provides both strategic vision and tactical guidance, aligning the company’s growth initiatives with the evolving demands of the power and energy industry. His extensive experience ensures that TES delivers financially sound, reliable, and technically robust solutions to clients. 

Under his leadership, TES leverages decades ofconstruction‑sector expertise through itsaffiliate network , combining engineering, maintenance, and project delivery capabilities to meet complex industrial needs across North America.